<h1>{{ question.question_text }}</h1>

{% if error_message %}<p><strong>{{ error_message }}</strong></p>
{% endif %}

<form action="{% url 'polls:vote' question.id %}" method="post">
<!--所有针对内部URL的POST表单都应该使用{% csrf_token %}模板标签 -->
{% csrf_token %}
{% for choice in question.choice_set.all %}
   <input type="radio" name="choice" id="choice{{ forloop.counter }}" value="{{ choice.id}}" />
   <label for="choice{{ forloop.counter }}">{{ choice.choice_text }} </label><br />
{% endfor %}
<input type="submit" value="Vote"/>
</form>
